Linh Cinder - main character
Iko - Cinder's android partner and one of her only friends.
Linh Peony - one of Cinder's stepsisters and friend
Linh Pearl - Cinder's stepsister
Prince Kaito - prince of Eastern Commonwealth
Linh Adri - Cinder's stepmother
Linh Garan - Cinder's adopted father
Dr. Erland - a Lunar fugitive and letumosis researcher
Queen Levana - the queen of Luna, the moon colony
Emperor Rikan - the emperor of Commonwealth and father to Prince Kaito
Chang Sacha - the baker in the beginning of the story
Nainsi - the Prince's android
Linh Cinder is a cyborg and a mechanic who meets Prince Kaito when he needs his android Nainisi fixed. A virus call Letumosis breaks out in the square from the baker Chang Sacha. Cinder flees and goes home with her android partner Iko. At home, her stepmother, Linh Adri, is supervising a dressmaker who is designing ball gowns for Cinder's stepsisters Linh Peony and Linh Pearl. Cinder goes to search in the junkyard for a magnabelt with Iko and Pearl. Pearl catches the Letumosis virus and is taken away to be quarantined. Cinder is volunteered by her mother to be experimented on in the royal research lab for a Letumosis cure. Dr. Erland, who conducts all the experiments, soon discovers that Cinder is immune to Letumosis. Cinder returns home to her room only to find her partner and friend, Iko, dismantled with other junk. The next day she goes to the basement of the building to work on the prince's android finding a D-COM chip stuck inside. she plugs it in to her portscreen and tries to connect to the other side.